🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.1 AU - 1.5 AU

Year: 516 Days

Day: 41.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 48 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 75,206,691 km

• M1: 794,365 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.82 AU - 1.96 AU

Year: 905 Days

Day: 17.7 Hours

Environment

Temp: -34 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.75 AU - 2.47 AU

Year: 1067 Days

Day: 36.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.89 AU - 2.73 AU

Year: 1223 Days

Day: 21 Hours

Environment

Temp: -68 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.8

Radius: 12.9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.32 AU - 9.24 AU

Year: 8297 Days

Day: 14.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 75,206,691 km

• M1: 232,026 km (0.108 R)
• M2: 575,952 km (0.109 R)
• M3: 657,333 km (0.112 R)
• M4: 950,694 km (0.086 R)
• M5: 1,084,734 km (0.099 R)
• M6: 1,166,115 km (0.069 R)
• M7: 1,487,601 km (0.049 R)
• M8: 1,686,118 km (0.119 R)
• M9: 1,795,773 km (0.086 R)
• M10: 2,022,414 km (0.092 R)
• M11: 2,183,830 km (0.114 R)
• M12: 2,273,738 km (0.079 R)
• M13: 2,742,428 km (0.075 R)
• M14: 3,004,972 km (0.053 R)
• M15: 3,139,311 km (0.074 R)
• M16: 3,679,060 km (0.115 R)
• M17: 3,805,171 km (0.058 R)
• M18: 4,323,528 km (0.108 R)
• M19: 4,629,905 km (0.045 R)
• M20: 4,727,143 km (0.104 R)
• M21: 4,963,358 km (0.065 R)
• M22: 5,284,395 km (0.068 R)
• M23: 5,778,667 km (0.116 R)
• M24: 5,883,684 km (0.108 R)
• M25: 6,159,393 km (0.079 R)
• M26: 6,789,649 km (0.1 R)
• M27: 7,994,660 km (0.097 R)
• M28: 8,205,892 km (0.031 R)
• M29: 8,874,894 km (0.05 R)
• M30: 8,971,833 km (0.067 R)
• M31: 9,069,221 km (0.04 R)
• M32: 9,166,909 km (0.102 R)
• M33: 10,239,525 km (0.071 R)
• M34: 10,341,402 km (0.117 R)
• M35: 10,597,364 km (0.103 R)
• M36: 10,803,659 km (0.105 R)
• M37: 11,272,798 km (0.094 R)
• M38: 11,989,073 km (0.072 R)
• M39: 12,610,801 km (0.119 R)
• M40: 13,187,800 km (0.113 R)
• M41: 13,689,103 km (0.107 R)
• M42: 15,230,559 km (0.048 R)
• M43: 15,727,224 km (0.101 R)
• M44: 15,815,337 km (0.079 R)
• M45: 16,199,505 km (0.032 R)
• M46: 16,946,896 km (0.074 R)
• M47: 17,127,909 km (0.081 R)
• M48: 17,309,521 km (0.076 R)
• M49: 17,461,512 km (0.081 R)
• M50: 17,674,839 km (0.117 R)
• M51: 18,444,071 km (0.093 R)
• M52: 18,599,204 km (0.098 R)
• M53: 18,754,786 km (0.104 R)
• M54: 18,848,434 km (0.104 R)
• M55: 19,067,296 km (0.089 R)
• M56: 19,729,266 km (0.086 R)
• M57: 20,142,755 km (0.1 R)
• M58: 20,591,399 km (0.094 R)
• M59: 21,237,811 km (0.095 R)
• M60: 21,563,635 km (0.111 R)
• M61: 21,858,194 km (0.103 R)
• M62: 22,121,187 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.3

Radius: 4.4

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 14.37 AU - 14.43 AU

Year: 19030 Days

Day: 16.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 75,206,691 km

• M1: 77,791 km (0.061 R)
• M2: 106,663 km (0.079 R)
• M3: 201,658 km (0.053 R)
• M4: 406,906 km (0.118 R)
• M5: 444,455 km (0.083 R)
• M6: 1,285,195 km (0.066 R)
• M7: 1,821,354 km (0.119 R)
• M8: 2,035,877 km (0.116 R)
• M9: 2,535,534 km (0.107 R)
• M10: 2,606,444 km (0.11 R)
• M11: 3,172,372 km (0.089 R)
• M12: 3,429,980 km (0.054 R)
• M13: 4,020,144 km (0.058 R)
• M14: 4,411,791 km (0.058 R)
• M15: 4,992,380 km (0.114 R)
• M16: 5,291,576 km (0.102 R)
• M17: 5,565,789 km (0.1 R)
• M18: 6,159,842 km (0.112 R)
• M19: 6,872,526 km (0.043 R)
• M20: 7,713,715 km (0.049 R)
• M21: 7,747,973 km (0.055 R)
• M22: 8,836,896 km (0.114 R)
• M23: 8,944,905 km (0.093 R)
• M24: 10,197,937 km (0.103 R)
• M25: 10,273,335 km (0.102 R)
• M26: 10,729,758 km (0.092 R)
• M27: 11,076,376 km (0.119 R)
• M28: 11,192,763 km (0.092 R)
• M29: 11,622,857 km (0.078 R)
• M30: 11,701,695 km (0.111 R)
• M31: 11,741,039 km (0.068 R)
• M32: 11,820,177 km (0.088 R)
• M33: 12,218,107 km (0.096 R)
• M34: 13,149,802 km (0.095 R)
• M35: 13,314,210 km (0.047 R)
• M36: 14,272,534 km (0.069 R)
• M37: 15,080,662 km (0.065 R)
• M38: 15,382,251 km (0.115 R)
• M39: 15,512,102 km (0.114 R)
• M40: 15,555,486 km (0.091 R)
• M41: 15,860,067 km (0.083 R)
• M42: 17,098,289 km (0.085 R)
• M43: 17,412,594 km (0.098 R)
• M44: 17,910,455 km (0.08 R)
• M45: 18,229,697 km (0.086 R)
• M46: 18,367,178 km (0.111 R)
• M47: 18,873,866 km (0.111 R)
• M48: 19,152,267 km (0.116 R)
• M49: 19,198,792 km (0.09 R)
• M50: 20,279,039 km (0.085 R)
• M51: 20,994,266 km (0.116 R)
• M52: 21,042,287 km (0.099 R)
• M53: 21,234,520 km (0.106 R)
• M54: 21,475,672 km (0.119 R)
• M55: 22,449,255 km (0.089 R)
• M56: 23,238,384 km (0.11 R)
• M57: 23,437,050 km (0.113 R)
• M58: 23,836,177 km (0.107 R)
• M59: 24,742,441 km (0.069 R)
• M60: 24,945,295 km (0.101 R)
• M61: 25,352,800 km (0.04 R)
• M62: 25,403,962 km (0.096 R)
• M63: 25,659,924 km (0.104 R)
• M64: 26,277,764 km (0.101 R)
• M65: 27,056,869 km (0.074 R)
• M66: 27,632,971 km (0.085 R)
• M67: 29,171,286 km (0.074 R)
• M68: 29,708,192 km (0.119 R)
• M69: 29,762,048 km (0.095 R)
• M70: 30,085,927 km (0.06 R)
• M71: 30,791,580 km (0.09 R)
• M72: 30,955,240 km (0.094 R)
• M73: 32,274,843 km (0.104 R)
• M74: 32,441,046 km (0.085 R)
• M75: 32,607,549 km (0.051 R)
• M76: 32,774,350 km (0.06 R)
• M77: 33,220,451 km (0.098 R)
• M78: 35,824,651 km (0.061 R)
• M79: 36,977,302 km (0.038 R)
• M80: 37,093,241 km (0.096 R)
• M81: 38,670,002 km (0.05 R)
• M82: 39,318,659 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.2

Radius: 6.9

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 11.95 AU - 17.27 AU

Year: 19448 Days

Day: 18.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 75,206,691 km

• M1: 90,656 km (0.094 R)
• M2: 264,639 km (0.061 R)
• M3: 315,652 km (0.043 R)
• M4: 871,408 km (0.064 R)
• M5: 1,144,873 km (0.079 R)
• M6: 1,211,743 km (0.113 R)
• M7: 1,924,427 km (0.095 R)
• M8: 2,031,539 km (0.102 R)
• M9: 2,251,598 km (0.118 R)
• M10: 2,450,563 km (0.096 R)
• M11: 2,537,629 km (0.113 R)
• M12: 3,112,683 km (0.111 R)
• M13: 3,366,550 km (0.119 R)
• M14: 3,793,353 km (0.094 R)
• M15: 4,272,216 km (0.093 R)
• M16: 4,342,228 km (0.057 R)
• M17: 4,806,280 km (0.048 R)
• M18: 5,436,835 km (0.105 R)
• M19: 5,704,017 km (0.117 R)
• M20: 6,652,468 km (0.063 R)
• M21: 6,733,699 km (0.101 R)
• M22: 7,103,356 km (0.053 R)
• M23: 7,227,971 km (0.08 R)
• M24: 7,691,425 km (0.109 R)
• M25: 7,776,696 km (0.085 R)
• M26: 8,251,519 km (0.116 R)
• M27: 8,426,399 km (0.051 R)
• M28: 8,558,494 km (0.11 R)
• M29: 8,824,629 km (0.11 R)
• M30: 9,501,858 km (0.065 R)
• M31: 9,685,265 km (0.112 R)
• M32: 9,869,869 km (0.108 R)
• M33: 10,858,113 km (0.081 R)
• M34: 11,388,288 km (0.108 R)
• M35: 12,323,573 km (0.106 R)
• M36: 12,724,795 km (0.097 R)
• M37: 13,181,368 km (0.103 R)
• M38: 13,540,103 km (0.115 R)
• M39: 13,643,176 km (0.078 R)
• M40: 14,006,101 km (0.071 R)
• M41: 15,167,279 km (0.089 R)
• M42: 15,327,947 km (0.086 R)
• M43: 15,813,542 km (0.073 R)
• M44: 16,468,781 km (0.054 R)
• M45: 16,855,192 km (0.108 R)
• M46: 19,642,051 km (0.091 R)
• M47: 20,998,604 km (0.058 R)
• M48: 22,507,149 km (0.053 R)
• M49: 23,738,789 km (0.092 R)
• M50: 23,925,487 km (0.088 R)
• M51: 24,866,008 km (0.083 R)
• M52: 26,074,759 km (0.107 R)
• M53: 26,267,292 km (0.039 R)
• M54: 26,460,423 km (0.113 R)
• M55: 26,653,853 km (0.03 R)
• M56: 27,367,584 km (0.112 R)
• M57: 27,694,007 km (0.106 R)
• M58: 27,759,530 km (0.088 R)
• M59: 27,956,102 km (0.026 R)
• M60: 28,021,776 km (0.094 R)
• M61: 29,546,028 km (0.062 R)
• M62: 30,082,337 km (0.097 R)
• M63: 30,284,443 km (0.115 R)
• M64: 30,486,849 km (0.104 R)
• M65: 31,233,043 km (0.073 R)
• M66: 31,574,127 km (0.109 R)
• M67: 31,642,493 km (0.067 R)
• M68: 31,779,375 km (0.118 R)
• M69: 33,089,852 km (0.049 R)
• M70: 33,926,553 km (0.065 R)
• M71: 34,488,144 km (0.117 R)
• M72: 34,558,604 km (0.117 R)
• M73: 35,265,454 km (0.119 R)
• M74: 35,620,749 km (0.114 R)
• M75: 35,763,166 km (0.097 R)
• M76: 36,406,437 km (0.062 R)
• M77: 36,549,901 km (0.102 R)
• M78: 39,090,821 km (0.081 R)
• M79: 39,164,274 km (0.1 R)
• M80: 39,532,135 km (0.087 R)
• M81: 40,642,600 km (0.1 R)
• M82: 46,346,318 km (0.084 R)
• M83: 47,751,940 km (0.118 R)
• M84: 47,909,017 km (0.116 R)
• M85: 48,460,136 km (0.103 R)
• M86: 49,489,070 km (0.111 R)
• M87: 51,166,361 km (0.052 R)
• M88: 51,568,480 km (0.094 R)
• M89: 53,024,666 km (0.041 R)
• M90: 53,350,191 km (0.101 R)
• M91: 53,431,572 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.7

Radius: 7.1

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 14.55 AU - 15.57 AU

Year: 20353 Days

Day: 20.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 75,206,691 km

• M1: 90,656 km (0.093 R)
• M2: 142,118 km (0.082 R)
• M3: 421,567 km (0.119 R)
• M4: 478,564 km (0.074 R)
• M5: 622,926 km (0.09 R)
• M6: 711,936 km (0.111 R)
• M7: 1,110,615 km (0.11 R)
• M8: 1,479,523 km (0.061 R)
• M9: 1,662,182 km (0.068 R)
• M10: 1,917,097 km (0.084 R)
• M11: 2,357,662 km (0.12 R)
• M12: 3,250,014 km (0.067 R)
• M13: 4,408,649 km (0.12 R)
• M14: 4,496,014 km (0.072 R)
• M15: 5,168,756 km (0.107 R)
• M16: 6,358,657 km (0.036 R)
• M17: 6,756,737 km (0.091 R)
• M18: 6,908,130 km (0.087 R)
• M19: 7,009,707 km (0.095 R)
• M20: 8,482,498 km (0.109 R)
• M21: 8,865,170 km (0.109 R)
• M22: 9,142,075 km (0.082 R)
• M23: 9,309,625 km (0.039 R)
• M24: 9,534,471 km (0.089 R)
• M25: 9,932,401 km (0.082 R)
• M26: 10,104,588 km (0.09 R)
• M27: 10,162,183 km (0.084 R)
• M28: 10,277,823 km (0.105 R)
• M29: 10,744,418 km (0.091 R)
• M30: 11,218,045 km (0.101 R)
• M31: 12,246,830 km (0.089 R)
• M32: 15,709,272 km (0.074 R)
• M33: 16,381,565 km (0.053 R)
• M34: 17,407,507 km (0.071 R)
• M35: 20,025,769 km (0.052 R)
• M36: 20,461,847 km (0.094 R)
• M37: 20,754,311 km (0.111 R)
• M38: 22,087,378 km (0.076 R)
• M39: 25,775,115 km (0.096 R)
• M40: 26,886,029 km (0.105 R)
• M41: 27,046,098 km (0.112 R)
• M42: 28,826,612 km (0.059 R)
• M43: 28,990,422 km (0.1 R)
• M44: 29,565,925 km (0.076 R)
• M45: 29,648,503 km (0.087 R)
• M46: 29,979,413 km (0.087 R)
• M47: 30,394,697 km (0.086 R)
• M48: 31,483,620 km (0.115 R)
• M49: 32,926,491 km (0.072 R)
• M50: 33,183,500 km (0.082 R)
• M51: 33,440,958 km (0.103 R)
• M52: 33,699,164 km (0.084 R)
• M53: 34,131,053 km (0.074 R)
• M54: 34,391,054 km (0.081 R)
• M55: 34,825,786 km (0.117 R)
• M56: 35,262,312 km (0.113 R)
• M57: 35,612,970 km (0.067 R)
• M58: 36,671,524 km (0.091 R)
• M59: 37,293,852 km (0.102 R)
• M60: 37,383,012 km (0.08 R)
• M61: 38,819,600 km (0.047 R)
• M62: 39,544,701 km (0.092 R)
• M63: 41,561,580 km (0.053 R)
• M64: 42,117,485 km (0.09 R)
• M65: 43,424,073 km (0.046 R)
• M66: 44,838,671 km (0.111 R)
• M67: 45,981,150 km (0.047 R)
• M68: 47,616,105 km (0.095 R)
• M69: 48,392,069 km (0.036 R)
• M70: 48,781,622 km (0.061 R)
• M71: 51,041,597 km (0.116 R)
• M72: 51,140,630 km (0.106 R)
• M73: 52,833,929 km (0.088 R)
• M74: 52,934,159 km (0.118 R)
• M75: 53,436,060 km (0.058 R)
• M76: 58,126,552 km (0.035 R)
• M77: 58,955,623 km (0.095 R)
• M78: 59,893,153 km (0.065 R)
• M79: 60,206,710 km (0.066 R)
• M80: 61,255,840 km (0.051 R)
• M81: 61,993,806 km (0.096 R)
• M82: 62,205,188 km (0.107 R)
• M83: 63,159,473 km (0.084 R)
• M84: 63,585,229 km (0.086 R)
• M85: 64,546,395 km (0.082 R)
• M86: 66,808,015 km (0.111 R)
• M87: 68,657,793 km (0.079 R)
• M88: 69,314,677 km (0.026 R)
• M89: 70,414,072 km (0.077 R)
• M90: 71,297,747 km (0.11 R)
• M91: 72,185,012 km (0.091 R)
• M92: 72,296,163 km (0.12 R)
• M93: 74,756,450 km (0.056 R)

Kuiper Belt

Range: 31.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 12,134 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit